Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

The ruins of an abandoned medieval city where the last Byzantine emperor was crowned.

This legendary city has been a tourist attraction for centuries.

A subterranean house of worship carved right out of the bedrock.

Rows of stone statues are dressed up to mourn children that are lost before birth.

Once a black market electronics marketplace, now an otaku shopper's paradise.

The likeness of the Baltimore music icon was unveiled in time for the anniversary of his Senate hearings on music censorship.

A monumental statue of RCA's mascot now sits atop a historical society roof after a life of moving around.

A museum dedicated to exhibiting remarkable outsider art.

Crammed into a Baltimore row house is an oddities shop that sells everything from skulls to dead insects.

The trials and tribulations of marking Poe's grave.

A stunning mosque owes its design to an Ottoman ruler nicknamed "the Butcher."

An iconic view point of the Sea of Galilee offers a look into Israel's past.

A magical oasis in the middle of the Negev Desert.

This subterranean funicular is one of the world's smallest subways.

A massive, heart-shaped, wind-carved crater in the middle of the Israeli desert.

This daunting 1st century fortress was purportedly the site of one of the most dramatic revolts of the Jewish-Roman wars.

The home of the Dead Sea Scrolls is an abstract modernist dream.

The bluer than blue waters in these natural Israeli caves are reached via the world's steepest cable car.